The 4iiii PRECISION 3+ Ride Ready is a left-arm power meter pre-installed on a Shimano 105 FC-R7100 crank arm, ready to install straight out of the box. It measures power using 3D tri-axial strain technology for ±1% accuracy and includes Apple Find My support for locating the unit when not in use.
The unit connects via ANT+ and Bluetooth for broad compatibility with head units and training apps, and delivers up to 800 hours of battery life from a single coin cell. An automatic terrain selector adjusts calibration across conditions, and every unit is backed by a 3-year warranty.
Quick Facts
| Feature |
Specification |
| Compatibility |
Shimano 105 FC-R7100, 12-Speed |
| Accuracy |
±1% |
| Battery Life |
Up to 800 hours (coin cell) |
| Connectivity |
ANT+ and Bluetooth |
| Warranty |
3 years |